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Question 1116186: A brick layer and his helper in a certain day laid 1,500 bricks. If they had laid 25 bricks more per hour and had worked two hours less time, they would have laid 1,400 bricks. Hour many bricks did they lay per hour?
Click here to see answer by ikleyn(52757)

Question 1116185: The senior class at a high school had a banquet that cost $150. If there had been one 5 persons less, the cost would have been $1.00 more. how many persons were at the banquet?
Click here to see answer by ikleyn(52757)

Question 1116129: Find the first five terms in sequences with the following nth terms
a.2n^2+2
b. 6n+2
c. 10n-3
d. 2n-1

Click here to see answer by KMST(5328)

Question 1116187: A rectangular park, 60 meters long and 40 meters wide, is surrounded by a jogging path of uniform width, containing 1344 square meters. How wide is the jogging path?
Click here to see answer by MathTherapy(10549)

Question 1116220: Write a quadratic equation in the variable x having the given numbers as solutions. Type the
equation in standard form, where a, b, and c are integers (no fractions). (ax^2+bx+c=0).
Solutions: -3/2, 5/2.
ans should be: _ = 0
Click here to see answer by josmiceli(19441)

Question 1116279: A rocket is launched with an initial upward velocity of 320 feet per second from an initial height of 15 feet. The function h(t) = -16tmc043-1.jpg + 320t + 15 models the height of the rocket, in feet, t seconds after it was launched. For how many seconds is the the height of the rocket greater than or equal to 1,039 feet?
Click here to see answer by Alan3354(69443)

Question 1116278: The function h(t)=-16t�+75t+80 models the height in feet, h, of a ball as it is thrown into the air at time, t, in seconds. At which of the following times will the ball be 124 feet above the ground?
Click here to see answer by Alan3354(69443)

Question 1116293: A model rocket is launched with an initial upward velocity of
60/ms. The rocket's height h (in meters) after t seconds is given by the following.
h=60t5t2
Find all values of t for which the rocket's height is 27 meters.
Click here to see answer by ikleyn(52757)

Question 1116340: -8,-8,-6,-2,4,12,22

Click here to see answer by ikleyn(52757)

Question 1116307: The path that a motorcross dirt bike rider follows during a jump is given by y=-0.4x^2+4x+10 where x is the horizontal distance in feet from the edge of the ramp and y is the height in feet.
a.Graph the function on a coordinate plane
b.What is the maximum height of the rider during the jump? Explain how you know.
Click here to see answer by Alan3354(69443)

Question 1116441: Use the method of completing the square to solve the quadratic equation. (Enter your answers as a comma-separated list.)
y2 − 18y = −82
Click here to see answer by ikleyn(52757)

Question 1116442: Use the quadratic formula to solve the quadratic equation. (Enter your answers as a comma-separated list.)
−y2 + 7y = 3
Click here to see answer by josgarithmetic(39614)

Question 1116507: Evaluate the function for the given values.
If f(x) =
4x + 3
, find f
13
4
, f(8), and f
−
1
2
.
f
13
4
=

f(8) =

f
−
1
2
=

Click here to see answer by ikleyn(52757)

Question 1116524: Find the x intercepts and the vertex of the parabola. (If an answer does not exist, enter DNE.)
f(x) = x2 − 16x + 48
x= (smaller value)
x= (larger value)
Click here to see answer by stanbon(75887)

Question 1116558: Explain whether or not the following equation is a quadratic function in standard form.
y=−3x^2+2x−1
Click here to see answer by ikleyn(52757)

Question 1116557: Explain whether or not the following equation is a quadratic function in vertex form.
y=4(x−2)^2+6
Click here to see answer by ikleyn(52757)

Question 1116531: Find (f ∘ g)(x) and (g ∘ f)(x).
Also specify the domain for each.
f(x) = 6x2 − 2x − 1, g(x) = x + 3
Click here to see answer by josgarithmetic(39614)

Question 1116531: Find (f ∘ g)(x) and (g ∘ f)(x).
Also specify the domain for each.
f(x) = 6x2 − 2x − 1, g(x) = x + 3
Click here to see answer by ikleyn(52757)

Question 1116736: What is the nth term rule of the quadratic sequence below?
6
,
12
,
20
,
30
,
42
,
56
,
72
,
.
.
.
Click here to see answer by ikleyn(52757)

Question 1116736: What is the nth term rule of the quadratic sequence below?
6
,
12
,
20
,
30
,
42
,
56
,
72
,
.
.
.
Click here to see answer by Edwin McCravy(20054)

Question 1116774: The area of the rubber coating for a flat roof was 96 ft^2. The rectangular frame the carpenter built for the flat roof has dimensions such that the length us 4 feet longer than the width. What are the dimensions of the frame?
Click here to see answer by Alan3354(69443)

Question 1116775: Ling is cuttinh carpet for a rectangular room. The area of the room is 324 ft^2. The length of the room is 3 feet longer than twice the width. What should the dimensions of the carpet be?
Click here to see answer by stanbon(75887)

Question 1116826: The hypotenuse of a right triangle is 9 cm longer than the longer leg. The shorter leg is 23m shorter than the longer leg. Find the length of the longer leg of the triangle.

Click here to see answer by josgarithmetic(39614)

Question 1117051: A cannon ball is thrown into the air from a height ,(h),,of 12 m. The height of the ball above ground t seconds after being shot is approximated by h(t) = -5t squared +15 t +12. Determine when the ball is 22 m above ground. Thanks
Click here to see answer by Alan3354(69443)

Question 1117063: In a school, class-10 students are on tour. The total fare is Rs. 2720 and this is to be shared equally among the students. If 3 more students join the tour, and then each student will pay Rs.50 less. Find the strength of class-10
Click here to see answer by ikleyn(52757)

Question 749246: Have a project with Angry Birds where you have to find the equation of a parabola for the bird's flight path in various situations. I have to pick a point at the origin and a pint on the x axis for the pig to be placed and find the flight path (equation). How would i do this? I chose for points:
Bird placed at (0,0)
Pig placed at (5,0)

I dont understand what to do after this please help.
Click here to see answer by ValerieDavis(6)

Question 1117140: The width of the Bergstroms' dining room table is three feet shorter than the length. If the area of the tabletop is 28 square feet, how long is the table?

Click here to see answer by greenestamps(13196)

Question 1117157: Find the values of the trigonometric functions of θ from the information given.

Tanθ=-3/4, Cosθ>0
Click here to see answer by greenestamps(13196)

Question 1117156: Find the values of the trigonometric functions of 0 from the information given.
Tanθ=-3/4,Cosθ>0
Click here to see answer by ikleyn(52757)

Question 1116772:
Click here to see answer by Alan3354(69443)

Question 1116772:
Click here to see answer by Shin123(626)

Question 1116532: Find f −1.
f(x) = x/x+1 for x > −1

Click here to see answer by Fombitz(32388)

Question 1117218: Write a formula for a function with a graph that has three xx-intercepts, (-3, 0), (1, 0), and (4, 0).
The equation for a cubic graph like this was given to me as y=a(x-h)^3+k
a=stretch factor
h=move graph left/right
k=move graph up/down
I don't know how to find the equation with those three x intercepts.
Click here to see answer by ikleyn(52757)

Question 1117217: A box with no top is to be constructed from a piece of cardboard whose length measures 10 inches more than its width. The box is formed by cutting squares that measure 3 inch on each side from the four corners and then folding up the sides.
If the volume of the box 225 in cm^3 what are the dimensions of the piece of cardboard?
The Height?
The width?
Click here to see answer by ikleyn(52757)

Question 1117266: The formula A=P(1+r)^2 gives the amount A in dollars that P dollars will grow to in 2 years at interest rate r(s where r is given as a decimal) comma using compound interest. What interest rate will cause $ 5000 to grow to $ 5408.00 in 2 years?

Click here to see answer by josgarithmetic(39614)

Question 1117423: Write a quadratic function f whose zeros are 1 and −9

Click here to see answer by ikleyn(52757)

Question 1117461: If a and b; are roots of the equation , find the values of:

Click here to see answer by ikleyn(52757)

Question 1117462: Demonstrate that the roots of the following equation are rational
abc�x� + 3a�cx + b�cx - 6a� - ab + 2b� = 0

Click here to see answer by Edwin McCravy(20054)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240